Get FREE SHIPPING when you spend $99 or more | ATOMFAIR

Awaiting product image

Atomfair 4-Methoxybenzenethiol C7H8OS CAS 696-63-9

4-Methoxybenzenethiol (CAS No. 696-63-9) is a high-purity aromatic thiol compound with the molecular formula C7H8OS . This versatile chemical is widely used in organic synthesis, pharmaceuticals, and material science due to its reactive thiol (-SH) group and methoxy (-OCH3) substituent. The compound is supplied as a clear to pale yellow liquid with a characteristic sulfurous odor, and it is stored under inert conditions to ensure stability. With a purity of ≥98% (GC), our 4-Methoxybenzenethiol is ideal for nucleophilic reactions, metal complexation, and as a building block for advanced intermediates. Proper handling is required due to its sensitivity to oxidation and…

Category:

Description

4-Methoxybenzenethiol (CAS No. 696-63-9) is a high-purity aromatic thiol compound with the molecular formula C7H8OS. This versatile chemical is widely used in organic synthesis, pharmaceuticals, and material science due to its reactive thiol (-SH) group and methoxy (-OCH3) substituent. The compound is supplied as a clear to pale yellow liquid with a characteristic sulfurous odor, and it is stored under inert conditions to ensure stability. With a purity of ≥98% (GC), our 4-Methoxybenzenethiol is ideal for nucleophilic reactions, metal complexation, and as a building block for advanced intermediates. Proper handling is required due to its sensitivity to oxidation and potential irritant properties. Available in various packaging options, including amber glass bottles and sealed drums, to suit laboratory and industrial-scale applications.

Properties

  • CAS Number: 696-63-9
  • Complexity: 77
  • IUPAC Name: 4-methoxybenzenethiol
  • InChI: InChI=1S/C7H8OS/c1-8-6-2-4-7(9)5-3-6/h2-5,9H,1H3
  • InChI Key: NIFAOMSJMGEFTQ-UHFFFAOYSA-N
  • Exact Mass: 140.02958605
  • Molecular Formula: C7H8OS
  • Molecular Weight: 140.20
  • SMILES: COC1=CC=C(C=C1)S
  • Topological: 10.2
  • Monoisotopic Mass: 140.02958605
  • Synonyms: 4-Methoxybenzenethiol, 4-Methoxythiophenol, Benzenethiol, 4-methoxy-, p-Methoxybenzenethiol, 4-methoxybenzene-1-thiol, BENZENETHIOL, p-METHOXY-, 4-Mercaptoanisole, p-methoxythiophenol, para-Methoxybenzenethiol, NSC 100727, EINECS 211-799-2, 4-methoxyphenylthiol, p-Methoxy thiophenol, BRN 1446910, 68N68LMU0G, P-MERCAPTOANISOLE, P-METHOXYPHENYLTHIOL, NSC-100727, UNII-68N68LMU0G, METHOXYBENZENETHIOL, 4-, P-METHOXYPHENYL MERCAPTAN, 4-METHOXYPHENYL MERCAPTAN, NIFAOMSJMGEFTQ-UHFFFAOYSA-, DTXSID60219873, Benzenethiol, 4-methoxy-(9CI), DTXCID10142364, 211-799-2, 4-06-00-05790 (beilstein handbook reference), inchi=1/c7h8os/c1-8-6-2-4-7(9)5-3-6/h2-5,9h,1h3, nifaomsjmgeftq-uhfffaoysa-n, 696-63-9, 4-Methoxy-benzenethiol, 4-Methoxy thiophenol, 4-mercaptoanisol, 4methoxythiophenol, 4methoxybenzenethiol, 4-methoxybenzenthiol, 4-methoxy-thiophenol, MFCD00004849, NSC100727, 4-methoxylbenzenethiol, 4-methoxy benzenethiol, 4-methoxybenzene thiol, 4-methoxy-benzene thiol, 4-(methyloxy)benzenethiol, WLN: SHR DO1, 4-Methoxythiophenol, 97%, SCHEMBL50513, SCHEMBL50514, CHEMBL119636, SCHEMBL6653005, CS-D1129, STR00751, BBL027485, STL374080, AKOS005203301, AC-7112, FM36232, DB-055318, M1333, NS00015223, 4-Methoxythiophenol, purum, >=98.0% (GC), EN300-11815, D78094, F0001-1809, QU5

Application

4-Methoxybenzenethiol is commonly employed as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty polymers. Its thiol group enables efficient conjugation reactions, making it valuable for creating sulfur-containing heterocycles or modifying biomolecules. In materials science, it serves as a ligand for metal catalysts or a surface modifier for nanoparticles. Researchers also utilize it in the development of odorants and flavoring agents due to its aromatic properties.

Safety and Hazards

GHS Hazard Statements

  • H302 (98.2%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H312 (78.6%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H315 (89.3%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (89.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H332 (78.6%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H335 (83.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (98.2%)
  • Acute Tox. 4 (78.6%)
  • Skin Irrit. 2 (89.3%)
  • Eye Irrit. 2 (89.3%)
  • Acute Tox. 4 (78.6%)
  • STOT SE 3 (83.9%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Related products